Classic Recording Studio Equipment

Vintage Digital

Manley Force

Manley Force Four Channel Vacuum Tube Microphone Preamplifier

From America's premier high-end studio gear manufacturer, the Manley Force contains four channels of real High Voltage vacuum tube microphone preamplifiers extracted from the hugely popular and award winning Manley CORE®, housed in an exquisitely gorgeous chassis, and meticulously hand-crafted in California.

Manley Force Four Channel Vacuum Tube Microphone Preamplifier Details

Your relationship with the Manley Force begins with the ergonomic facia through its thoughtfully organized controls, silky and bulletproof rotary potentiometers, positive latching feature switches, and convenient Direct Input 1/4″ jacks. Seven-way LED metering for each channel provides instant visible feedback for audio levels which are enhanced with a double-inlay CNC-milled accent. A feast for the eyes, yeah, we know. This is investment grade audio equipment that you will be as proud to showcase in your studio as we are to handcraft it here in Southern California.

Your microphone signals enter the Manley Force through gold-plated XLR connectors straight into our MANLEY IRON® Mic input transformer. Your line level or instrument level guitars and keyboards come intp the Manley Force via the front panel 1/4″ Hi-Z 10 megOhm jacks before hitting the input level control which also acts as a Variable Input Pad. Phase Reverse and 120Hz High Pass filters can be invoked here in the circuit and then we’re into the 12AX7 dual triode amplifying stage operating in pure Class A, of course. The amount of GAIN for each channel can be selected as 40dB or 50dB via the front panel switches. An additional 10dB of gain is available via internal jumpers. The output stage “can drive a truck” as we like to brag.

The MANLEY POWER® power supply is an innovative design developed specifically for Manley Labs, specifically for High Voltage vacuum tubes, and specifically for audio by the world expert team in this technology led by Bruno Putzeys. Proven reliable and sonically superior in the Manley CORE®, this power supply provides 300 Volt DC rails to run the vacuum tubes, beefy 6 Volt lines to power them up, along with several other voltage rails for the phantom power and various solid-state control voltages.

High Voltage = High Headroom, folks. You will not get near this sonic performance with in any 500-series design. Trust us. This is Full FORCE audio excellence which starts with this superior power supply. All lines are importantly regulated, low impedance, efficient, and super-quiet in this low radiating high frequency design. The universal mains input accepts any voltage or frequency from anywhere in the world making travel with the FORCE a breeze.

How did we deliver all this for just $3K? By prioritizing what really matters: that strong Manley sound, the proven componentry and rugged overbuilt construction, presented in an inspiring package. But engineered to build efficiently and by really paying attention to how it all goes together, proudly built by Manley’s American workFORCE. A Compelling FORCE for you. This is our Driving FORCE. Let us share it with you.

Each Channel Features

  • 7-Segment LED Peak Metering
  • Selectable Gain, LOW vs HIGH
  • 120Hz High Pass Filter switch
  • Phase Invert switch
  • 48V Phantom power switch
  • Input Attenuator (Variable Pad)
  • Silent Input Level Control (Variable Input Pad)
  • 1/4″ DIRECT INPUT Similar to the DI in the Manley SLAM!®, and exactly the same as found in the Manley CORE®, this all-discrete solid-state circuit with 10 Meg Ohm input impedance is perfect for guitars, bass, keyboards, etc.

Specifications

Released

  • Output Headroom (referenced to +4 dBu): 31 dB
  • Dynamic Range: 118 dB @ LOW GAIN, 100 dB @ HI GAIN
  • THD & Noise (1Khz @ +4dBu BW 22Hz-22KHz): 0.004% at Low Gain setting
  • THD & Noise (1Khz @ +4dBu BW 22Hz-22KHz): 0.04% at Hi Gain setting
  • Noise Floor Micpre (A WGT): – 85dB @ LOW GAIN, -66dB @ HI GAIN
  • Signal to Noise Ratio (Ref. to +4dBu): 87dB @ LOW GAIN, 68dB @ HI GAIN
  • EIN (22-22kHz BW, A WGT): -129dB with 150 Ohm source impedance @ LO GAIN
  • Frequency Response: 20 Hz to 20 kHz -0.1dB, +0.3 dB
  • Gain via Microphone Input: 40 LOW or 50dB HI GAIN (60dB available via internal jumper)
  • Gain via Line Input: 20 or 30dB (40dB available via internal jumper)
  • Low Signal Green LED (Output Level): -22 dBu
  • High Signal Red LED (Output Level): +24 dBu
  • AUTOMUTE warmup delay: 30 seconds
  • Power consumption: 36 Watts
  • Dimensions: 19″ x 3 1/2″ x 7″ (occupies 2u)
  • Unit weight: 8.6 lbs.

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The details provided above are drawn from historical documents like advertising brochures or user manuals. They’re shared without bias or review. This info is given solely for your consideration, helping you gauge its usefulness to you.

Manley Force

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